Overview Capture stunning cinematic widescreen visuals with the Sirui 40mm T1.8 1.33x S35 AF Anamorphic Lens, featuring reliable autofocus capabilities. This advanced prime lens incorporates an STM motor for swift and precise autofocus performance, while also allowing for manual focus control perfect for complex shots managed by a focus puller or camera assistant. The lens delivers subtle, neutral flares that reflect the timeless aesthetic of anamorphic cinematography and boasts a wide T1.8 aperture, ideal for shooting in low-light conditions and achieving beautifully unique bokeh. High Optical Performance One aspherical and five cylindrical elements contribute to the high optical quality of this lens. Focus breathing and chromatic aberration are well controlled. Supports EXIF metadata transfer and has a USB-C port for firmware upgrading. Super 35 Coverage This anamorphic prime lens has a 1.33x squeeze factor. It produces a widescreen 2.35:1 aspect ratio when shooting in a 16:9 mode. Object Tracking Eye Focus What’s in the Box Sirui 40mm T1.8 1.33x S35 AF Anamorphic Lens Front Lens Cap Rear Lens Cap Lens Pouch with Strap Limited 2-Year Manufacturer Warranty Specifications Maximum Aperture T1.8 Minimum Aperture T22 Lens Mount Leica L Interchangeable Mount No Horizontal Squeeze (Anamorphic) 1.33x Flare Color Neutral Lens Format Coverage Super35/APS-C Image Circle 37.0 mm Angle of View Super 35Horizontal: 55°Vertical: 25.4° Optical Design 16 Elements in 12 Groups Filter Thread 77 mm x 0.75 Minimum Focus Distance 1.97′ / 60.05 cm Aperture/Iris Blades 11 Image Stabilization No Gear Rotation Focus: 360° Electronic Communication Yes Camera Connection 10 x Flat Contacts (EXIF) Data Diameter Front: 3.1″ / 80 mm Weight 1.4 lb / 614 g
